161760341 has 2 divisors, whose sum is σ = 161760342. Its totient is φ = 161760340.

The previous prime is 161760307. The next prime is 161760371. The reversal of 161760341 is 143067161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115111441 + 46648900 = 10729^2 + 6830^2 .

It is an emirp because it is prime and its reverse (143067161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161760341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161760301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80880170 + 80880171.

It is an arithmetic number, because the mean of its divisors is an integer number (80880171).

Almost surely, 2^161760341 is an apocalyptic number.

It is an amenable number.

161760341 is a deficient number, since it is larger than the sum of its proper divisors (1).

161760341 is an equidigital number, since it uses as much as digits as its factorization.

161760341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 161760341 is about 12718.5038821396. The cubic root of 161760341 is about 544.8672246202.

The spelling of 161760341 in words is "one hundred sixty-one million, seven hundred sixty thousand, three hundred forty-one".